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Mason Trust 1017200

Grantmaking foundation in Milwaukee, Wisconsin · EIN 51-0171871

Grants itemized on the 990
$48KTax year 2025
Grants made
16Tax year 2025
Total assets
$790KLatest reported
Latest IRS filing
2025Form 990 / 990-PF

Giving by year

$47K2019
$46K2020
$48K2021
$52K2022
$44K2023
$48K2024
$48K2025

Totals by tax year, rounded to two significant figures. Years without a reported total show the sum of grants itemized on the filing.

Top recipients

RecipientAmountTax year
Oregon Historical Society$9.6K2025
Hood River County School District$5.2K2025
Reading Results$5K2025
Oregon Museum of Science & Industry$4.8K2025
Thrive Hood River$4K2025

Amounts are rounded. The full grantee list (16 grants in 2025) is available with a free account.

Website: mt1.org

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Similar foundations in Wisconsin

Source: IRS Form 990 and 990-PF filings, tax year 2025. Also see this organization on ProPublica Nonprofit Explorer.